mac802154: add get short address method

Add method to get the device short 802.15.4 address. This call needed by ieee802154 layer to satisfy 'iz list' request from the user space. Signed-off-by: Alexander Smirnov <[email protected]> Signed-off-by: David S. Miller <[email protected]>
opendata26 · Jul 12, 2012 · e885a47 · e885a47
1 parent 5b00f2e
commit e885a47
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diff --git a/net/mac802154/mac802154.h b/net/mac802154/mac802154.h
@@ -109,6 +109,7 @@ netdev_tx_t mac802154_tx(struct mac802154_priv *priv, struct sk_buff *skb,
 
 /* MIB callbacks */
 void mac802154_dev_set_short_addr(struct net_device *dev, u16 val);
+u16 mac802154_dev_get_short_addr(const struct net_device *dev);
 void mac802154_dev_set_ieee_addr(struct net_device *dev);
 u16 mac802154_dev_get_pan_id(const struct net_device *dev);
 void mac802154_dev_set_pan_id(struct net_device *dev, u16 val);

diff --git a/net/mac802154/mac_cmd.c b/net/mac802154/mac_cmd.c
@@ -71,4 +71,6 @@ struct ieee802154_reduced_mlme_ops mac802154_mlme_reduced = {
 struct ieee802154_mlme_ops mac802154_mlme_wpan = {
 	.get_phy = mac802154_get_phy,
 	.start_req = mac802154_mlme_start_req,
+	.get_pan_id = mac802154_dev_get_pan_id,
+	.get_short_addr = mac802154_dev_get_short_addr,
 };
diff --git a/net/mac802154/mib.c b/net/mac802154/mib.c
@@ -100,6 +100,20 @@ void mac802154_dev_set_short_addr(struct net_device *dev, u16 val)
 	}
 }
 
+u16 mac802154_dev_get_short_addr(const struct net_device *dev)
+{
+	struct mac802154_sub_if_data *priv = netdev_priv(dev);
+	u16 ret;
+
+	BUG_ON(dev->type != ARPHRD_IEEE802154);
+
+	spin_lock_bh(&priv->mib_lock);
+	ret = priv->short_addr;
+	spin_unlock_bh(&priv->mib_lock);
+
+	return ret;
+}
+
 void mac802154_dev_set_ieee_addr(struct net_device *dev)
 {
 	struct mac802154_sub_if_data *priv = netdev_priv(dev);